CFR›Title 43›Subtitle B›Chapter II›Part 3590›Subpart 3592 ContainsSections 3592.1–3592.3CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 Subpart 3592—Plans and Maps Sections 3592.1 § 3592.1 Operating plans. 3592.2 § 3592.2 Maps of underground workings and surface operations. 3592.3 § 3592.3 Production maps. Previous 3591 Subpart 3591—General Obligations of Lessees, Licensees and Permittees Next 3593 Subpart 3593—Bore Holes and Samples